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Question # 2RevisitThe average marks of three classes, A, B, and C are 30, 50, and 70, respectively. If the average marksof classes A and B together is 45, and that of classes B and C together is 65, what is the averagemarks of all the three classes put together?​

Answer»

Answer:

110

Step-by-step EXPLANATION:

AVARAGE AB =45

AVERAGE bc=65

45+65=110



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